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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG840630346

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630346

Diamond specifications and retailer prices

From $630 SGD
$493 USD
As of November 1, 2026
Save $1,503 SGD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,134 SGD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630346 or 840630346. Listed at 16 retailers as of October 31, 2026, with prices from $630 to $2,134, a $1,503 spread on the same certified stone. Helzberg Diamonds lists it at $2,134. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630346
Dimensions7.58 × 4.90 × 3.39 mm
L/W Ratio1.55
Girdle conditionFaceted
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
7.58 mm4.90 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630346
Side View
Table 64.0%Crown 35.3°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 69.2%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,134 SGD|Low: $372 SGD|High: $2,544 SGD|Avg: $1,093 SGD
Helzberg Diamonds
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
Retailer 16
November 1, 2026
Retailer 16$372 SGD
Retailer 3$385 SGD
Retailer 7$630 SGD
Retailer 13$640 SGD
Retailer 6$670 SGD
Retailer 9$697 SGD
Retailer 10$721 SGD
Retailer 4$741 SGD
Retailer 14$908 SGD
Retailer 11$977 SGD
Retailer 8$1,177 SGD
Retailer 5$1,263 SGD
Retailer 2$1,492 SGD
Retailer 15$1,751 SGD
Retailer 12$1,803 SGD
Helzberg Diamonds$2,134 SGD

20 data points across 16 retailers

16 retailers$630 SGD to $2,134 SGD

A
Retailer 1
-
$372 SGD
$291 USD
Price last confirmed 7 days ago
Retailer 2
-
$385 SGD
£237 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$630 SGD
$493 USD
View
A
Retailer 4
-
$640 SGD
ZAR 8,082 ZAR
View
A
Retailer 5
-
$670 SGD
$524 USD
View
A
Retailer 6
-
$697 SGD
£430 GBP
View
A
Retailer 7
-
$721 SGD
€537 EUR
View
A
Retailer 8
-
$741 SGD
$580 USD
View
A
Retailer 9
-
$908 SGD
A$1,093 AUD
View
A
Retailer 10
-
$977 SGD
$764 USD
View
B+
Retailer 11
-
$1,177 SGD
View
B+
Retailer 12
-
$1,263 SGD
$988 USD
View
B+
Retailer 13
-
$1,492 SGD
£919 GBP
View
Retailer 14
-
$1,751 SGD
$1,370 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$1,803 SGD
$1,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJKM · Oct 31
$2,134 SGD
$1,669 USD
View
15 more retailers have this diamond
Prices start from $630 SGDSave up to $1,503 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
1.03ct Cushion
$630 SGD