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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG818644617

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644617

Diamond specifications and retailer prices

From $370 SGD
$289 USD
As of November 1, 2026
Save $2,635 SGD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,005 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644617 or 818644617. Listed at 24 retailers as of October 27, 2026, with prices from $370 to $3,005, a $2,635 spread on the same certified stone. Queensmith lists it at $3,005. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644617
Dimensions6.99 × 7.04 × 4.23 mm
L/W Ratio1.01
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
6.99 mm7.04 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644617
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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: Nov 1
Current: $727 SGD|Low: $354 SGD|High: $2,340 SGD|Avg: $965 SGD|-1.0%
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
Retailer 14
November 1, 2026
Retailer 3$370 SGD
Retailer 4$413 SGD
Retailer 6$458 SGD
Retailer 5$616 SGD
Retailer 12$659 SGD
Retailer 1$727 SGD
Retailer 8$737 SGD
Retailer 11$787 SGD
Retailer 7$802 SGD
Retailer 10$1,118 SGD
Retailer 2$1,179 SGD
Retailer 14$1,739 SGD
Retailer 13$1,839 SGD
Retailer 9$2,046 SGD

34 data points across 14 retailers

24 retailers$370 SGD to $3,005 SGD

A
Cheapest Retailer
-
$370 SGD
$289 USD
A
Retailer 2
-
$413 SGD
$323 USD
View
Final sale: no returns
A
Retailer 3
-
$428 SGD
$335 USD
View
A
Retailer 4
-
$458 SGD
$358 USD
View
Retailer 5
-
$458 SGD
$358 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$507 SGD
HK$3,100 HKD
View
A
Retailer 7
-
$616 SGD
$482 USD
View
A
Retailer 8
-
$659 SGD
$515 USD
View
A
Retailer 9
-
$727 SGD
£448 GBP
View
A
Retailer 10
-
$737 SGD
€549 EUR
View
A
Retailer 11
-
$787 SGD
ZAR 9,946 ZAR
View
A
Retailer 12
-
$802 SGD
£494 GBP
View
A
Retailer 13
-
$1,032 SGD
$807 USD
View
B+
Retailer 14
-
$1,118 SGD
A$1,345 AUD
View
B+
Retailer 15
-
$1,179 SGD
$922 USD
View
B+
Retailer 16
-
$1,473 SGD
View
B+
Retailer 17
-
$1,473 SGD
$1,152 USD
View
B+
Retailer 18
-
$1,536 SGD
$1,201 USD
View
B+
Retailer 19
-
$1,632 SGD
$1,276 USD
View
B+
Retailer 20
-
$1,739 SGD
$1,360 USD
View
B+
Retailer 21
-
$1,839 SGD
£1,132 GBP
View
B
Retailer 22
-
$1,890 SGD
$1,477 USD
View
B+
Retailer 23
-
$2,046 SGD
$1,600 USD
View
Most Expensive
B
Queensmith
LG818644617 · Oct 27
$3,005 SGD
£1,850 GBP
View
23 more retailers have this diamond
Prices start from $370 SGDSave up to $2,635 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
1.29ct Round
$370 SGD