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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG692511420

Shape and cutting style on the report: Round brilliant

Certificate IGI LG692511420

Diamond specifications and retailer prices

From $166 USD
As of October 29, 2026
Save $1,434 USD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,600 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG692511420 or 692511420. Listed at 23 retailers as of October 29, 2026, with prices from $166 to $1,600, a $1,434 spread on the same certified stone. Do Amore Diamonds lists it at $1,600. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692511420
Dimensions6.84 × 6.82 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.84 mm6.82 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692511420
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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 29
Current: $1,600 USD|Low: $166 USD|High: $1,600 USD|Avg: $531 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 19$166 USD
Retailer 6$185 USD
Retailer 20$193 USD
Retailer 18$206 USD
Retailer 21$206 USD
Retailer 10$279 USD
Retailer 11$308 USD
Retailer 5$388 USD
Retailer 15$391 USD
Retailer 2$410 USD
Retailer 8$456 USD
Retailer 3$510 USD
Retailer 14$525 USD
Retailer 17$555 USD
Retailer 7$576 USD
Retailer 4$731 USD
Retailer 16$736 USD
Retailer 12$905 USD
Retailer 13$1,069 USD
Retailer 9$1,088 USD
Do Amore Diamonds$1,600 USD

33 data points across 21 retailers

23 retailers$166 USD to $1,600 USD

A
Cheapest Retailer
-
$166 USD
A
Retailer 2
-
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$193 USD
View
A
Retailer 4
-
$206 USD
View
A
Retailer 5
-
$206 USD
View
B+
Retailer 6
-
$279 USD
View
A
Retailer 7
-
$308 USD
View
Retailer 8
-
$346 USD
HK$2,700 HKD
View
Price last confirmed 56 days ago
Retailer 9
-
$388 USD
£306 GBP
View
Price last confirmed 13 days ago
A
Retailer 10
-
$391 USD
ZAR 6,312 ZAR
View
A
Retailer 11
-
$410 USD
£323 GBP
View
B+
Retailer 12
-
$456 USD
View
Retailer 13
-
$510 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
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$525 USD
A$808 AUD
View
B+
Retailer 15
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$555 USD
A$854 AUD
View
B+
Retailer 16
-
$576 USD
View
Retailer 17
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$668 USD
View
Price last confirmed 44 days ago
Retailer 18
-
$731 USD
View
Price last confirmed 12 days ago
B+
Retailer 19
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$736 USD
A$1,133 AUD
View
B
Retailer 20
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$905 USD
View
B
Retailer 21
-
$1,069 USD
£842 GBP
View
B
Retailer 22
-
$1,088 USD
View
Most Expensive
B
Do Amore Diamonds
27-31696C90B · Oct 29
$1,600 USD
View
22 more retailers have this diamond
Prices start from $166 USDSave up to $1,434 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 Round
$166 USD