Radiant|Lab Grown|IGI

1.23ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG677521094

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG677521094

Diamond specifications and retailer prices

From $185 USD
As of October 30, 2026
Save $1,585 USD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $1,770 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677521094 or 677521094. Listed at 28 retailers as of October 30, 2026, with prices from $185 to $1,770, a $1,585 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521094
Dimensions7.90 × 5.32 × 3.39 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.90 mm5.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521094
Side View
Table 61.0%Crown 41.3°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $464 USD|Low: $146 USD|High: $1,320 USD|Avg: $638 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$185 USD
Retailer 12$209 USD
Retailer 4$358 USD
Retailer 6$429 USD
Retailer 10$434 USD
Retailer 1$464 USD
Retailer 5$476 USD
Retailer 11$618 USD
Retailer 2$777 USD
Retailer 9$944 USD
Retailer 13$1,060 USD
Retailer 7$1,150 USD
Retailer 8$1,187 USD

44 data points across 13 retailers

28 retailers$185 USD to $1,770 USD

A
Cheapest Retailer
-
$185 USD
Retailer 2
-
$185 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$185 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$209 USD
View
Final sale: no returns
Retailer 5
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$214 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$226 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$229 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$358 USD
View
A
Retailer 9
-
$371 USD
HK$2,900 HKD
View
A
Retailer 10
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$429 USD
€409 EUR
View
A
Retailer 11
-
$434 USD
ZAR 7,007 ZAR
View
A
Retailer 12
-
$462 USD
View
A
Retailer 13
-
$464 USD
£366 GBP
View
A
Retailer 14
-
$476 USD
View
A
Retailer 15
-
$541 USD
View
B+
Retailer 16
-
$618 USD
A$950 AUD
View
B+
Retailer 17
-
$777 USD
View
B+
Retailer 18
-
$812 USD
View
Retailer 19
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$812 USD
View
Price last confirmed 21 days ago
Retailer 20
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$812 USD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
$944 USD
A$1,452 AUD
View
B
Retailer 22
-
$985 USD
View
Retailer 23
-
$1,060 USD
View
Price last confirmed 13 days ago
B
Retailer 24
-
$1,064 USD
SGD 1,438 SGD
View
B
Retailer 25
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$1,145 USD
View
B
Retailer 26
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$1,150 USD
View
B
Retailer 27
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$1,187 USD
£935 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6CCBFEE86 · Oct 31
$1,770 USD
View
27 more retailers have this diamond
Prices start from $185 USDSave up to $1,585 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.23ct Radiant
$185 USD