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Radiant|Lab Grown|IGI

1.70ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG581327872

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

Certificate IGI LG581327872

Diamond specifications and retailer prices

From $412 SGD
$322 USD
As of October 30, 2026
Save $2,835 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,247 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581327872 or 581327872. Listed at 18 retailers as of October 30, 2026, with prices from $412 to $3,247, a $2,835 spread on the same certified stone. Brilliant Earth lists it at $3,247. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327872
Dimensions8.12 × 5.99 × 4.08 mm
L/W Ratio1.36
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 Faint Blue
Top View
8.12 mm5.99 mm1.70 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327872
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 36.3°Culet: NoneDepth 68.1%

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 30
Current: $3,247 SGD|Low: $395 SGD|High: $4,129 SGD|Avg: $1,255 SGD|-21.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 15$412 SGD
Retailer 5$460 SGD
Retailer 3$510 SGD
Retailer 14$688 SGD
Retailer 11$710 SGD
Retailer 6$849 SGD
Retailer 12$860 SGD
Retailer 10$876 SGD
Retailer 2$911 SGD
Retailer 9$1,189 SGD
Retailer 13$1,221 SGD
Retailer 7$1,461 SGD
Retailer 4$1,961 SGD
Retailer 8$2,055 SGD
Brilliant Earth$3,247 SGD

44 data points across 15 retailers

18 retailers$412 SGD to $3,247 SGD

A
Cheapest Retailer
-
$412 SGD
$322 USD
A
Retailer 2
-
$460 SGD
$360 USD
View
Final sale: no returns
A
Retailer 3
-
$477 SGD
$373 USD
View
A
Retailer 4
-
$510 SGD
$399 USD
View
A
Retailer 5
-
$510 SGD
$399 USD
View
A
Retailer 6
-
$688 SGD
$538 USD
View
A
Retailer 7
-
$710 SGD
$555 USD
View
A
Retailer 8
-
$849 SGD
$664 USD
View
A
Retailer 9
-
$876 SGD
ZAR 11,074 ZAR
View
A
Retailer 10
-
$911 SGD
£561 GBP
View
A
Retailer 11
-
$1,189 SGD
A$1,431 AUD
View
B+
Retailer 12
-
$1,221 SGD
$955 USD
View
B+
Retailer 13
-
$1,461 SGD
$1,143 USD
View
B+
Retailer 14
-
$1,639 SGD
$1,282 USD
View
B+
Retailer 15
-
$1,697 SGD
$1,327 USD
View
B
Retailer 16
-
$1,961 SGD
$1,534 USD
View
B+
Retailer 17
-
$2,055 SGD
£1,266 GBP
View
Most Expensive
B
Brilliant Earth
21312144A · Oct 31
$3,247 SGD
$2,540 USD
View
17 more retailers have this diamond
Prices start from $412 SGDSave up to $2,835 SGD

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
1.70ct Radiant
$412 SGD