Round|Natural|GIA

1.02ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6212215254

Certificate GIA 6212215254

Diamond specifications and retailer prices

From $4,777 SGD
$3,737 USD
As of October 30, 2026
Save $7,861 SGD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,638 SGD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6212215254. Listed at 19 retailers as of October 29, 2026, with prices from $4,777 to $12,638, a $7,861 spread on the same certified stone. Diamond Quarter lists it at $12,638. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6212215254
Dimensions6.39 × 6.35 × 3.99 mm
L/W Ratio1.01
Top View
6.39 mm6.35 mm1.02 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6212215254
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,519 SGD|Low: $4,890 SGD|High: $9,188 SGD|Avg: $6,024 SGD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$4,890 SGD
Retailer 7$5,010 SGD
Retailer 9$5,158 SGD
Retailer 2$5,239 SGD
Retailer 1$5,519 SGD
Retailer 8$5,790 SGD
Retailer 3$5,810 SGD
Retailer 4$6,611 SGD
Retailer 5$9,090 SGD

38 data points across 9 retailers

19 retailers$4,777 SGD to $12,638 SGD

B+
Cheapest Retailer
-
$4,777 SGD
$3,737 USD
Retailer 2
-
$4,890 SGD
$3,825 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$5,010 SGD
$3,919 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,158 SGD
$4,035 USD
View
B+
Retailer 5
-
$5,239 SGD
£3,227 GBP
View
Retailer 6
-
$5,428 SGD
$4,246 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$5,428 SGD
$4,246 USD
View
Retailer 8
-
$5,428 SGD
$4,246 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$5,519 SGD
£3,399 GBP
View
Retailer 10
-
$5,790 SGD
A$6,968 AUD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$5,810 SGD
€4,328 EUR
View
Retailer 12
-
$6,264 SGD
$4,900 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$6,264 SGD
$4,900 USD
View
B
Retailer 14
-
$6,611 SGD
ZAR 83,537 ZAR
View
B
Retailer 15
-
$7,388 SGD
€5,504 EUR
View
B
Retailer 16
-
$9,090 SGD
£5,599 GBP
View
Retailer 17
-
$9,458 SGD
$7,398 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
$9,458 SGD
$7,398 USD
View
Most Expensive
B
Diamond Quarter
1.02SI1D62540785N · Oct 29
$12,638 SGD
£7,784 GBP
View
18 more retailers have this diamond
Prices start from $4,777 SGDSave up to $7,861 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.

B+
1.02ct Round
$4,777 SGD